---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5600.00 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 686 10266 4 5036 14960 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:89:e2:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84497sec preferred_lft 84497sec inet6 fe80::f816:3eff:fe89:e2e9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:08:93:13:e2:ee brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-12) 07/28/26 _x86_64_ (4 CPU) 14:51:36 LINUX RESTART (4 CPU) 15:00:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:05 10.95 0.40 9.54 1.01 15.14 2102.24 2921.44 15:20:01 31.44 0.64 26.41 4.39 25.25 4038.46 3847.48 Average: 21.23 0.52 18.00 2.71 20.21 3073.44 3385.94 15:00:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:05 9640616 13422560 2533456 15.47 149080 3724448 2844180 16.33 655916 5645988 18140 15:20:01 10588776 15385964 563140 3.44 176496 4645164 1102784 6.33 922784 4351440 216 Average: 10114696 14404262 1548298 9.46 162788 4184806 1973482 11.33 789350 4998714 9178 15:00:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:05 lo 1.30 1.30 0.13 0.13 0.00 0.00 0.00 0.00 15:10:05 ens3 66.63 50.55 94.92 16.06 0.00 0.00 0.00 0.00 15:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 lo 1795.72 1795.72 1706.49 1706.49 0.00 0.00 0.00 0.00 15:20:01 ens3 91.14 75.07 412.58 78.13 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 901.38 901.38 856.03 856.03 0.00 0.00 0.00 0.00 Average: ens3 78.93 62.85 254.26 47.19 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-12) 07/28/26 _x86_64_ (4 CPU) 14:51:36 LINUX RESTART (4 CPU) 15:00:13 CPU %user %nice %system %iowait %steal %idle 15:10:05 all 66.36 0.00 2.10 2.11 0.13 29.30 15:10:05 0 66.08 0.00 2.00 8.15 0.12 23.66 15:10:05 1 68.36 0.00 2.27 0.09 0.12 29.16 15:10:05 2 65.32 0.00 2.14 0.16 0.13 32.26 15:10:05 3 65.69 0.00 2.01 0.06 0.13 32.11 15:20:01 all 57.93 0.00 2.69 0.18 0.12 39.07 15:20:01 0 59.66 0.00 2.62 0.18 0.13 37.41 15:20:01 1 56.88 0.00 2.51 0.38 0.12 40.11 15:20:01 2 58.33 0.00 2.83 0.05 0.13 38.66 15:20:01 3 56.84 0.00 2.83 0.12 0.12 40.10 Average: all 62.13 0.00 2.40 1.14 0.12 34.20 Average: 0 62.86 0.00 2.31 4.15 0.13 30.56 Average: 1 62.60 0.00 2.39 0.24 0.12 34.66 Average: 2 61.81 0.00 2.48 0.11 0.13 35.47 Average: 3 61.25 0.00 2.42 0.09 0.12 36.12